Home / 11,406.57-17,115.26-7,901.97

Finding the Fourth Proportional to 11,406.57, 17,115.26 and 7,901.97

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Solution

The fourth proportional to 11,406.57, 17,115.26 and 7,901.97 is: 11,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.57 : 17,115.26 = 7,901.97 : x
  2. Step 2: Convert to fraction form
    11,406.57/17,115.26 = 7,901.97/x
  3. Step 3: Cross multiply
    11,406.57x = 17,115.26 × 7,901.97
  4. Step 4: Simplify right side
    11,406.57x = 135,244,271.06
  5. Step 5: Solve for x
    x = 135,244,271.06/11,406.57
  6. Step 6: Final answer
    x = 11,856.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.